This build from Developer branch and includes a small patch in the source code to correct displaying the number of errors / warnings / remarks in the Summary window. There is still a bug in the official version from Developer's site, leading to the empty Summary window.

This version of MaciASL contains the 3 different versions of iasl compiler: 20110623-64 [4.0a], 20140926-64 [5.1] и 20150930-64 [6.0].

20110623 was the last version that supports ACPI 4.0a specification and it is introduced here as "legacy" compiler for 4.0 spec.

20140926 is introducing 5.1 spec. and can be selected in 5.0a option. It is introduced here for support of opening AML files in legacy ASL code (not ASL+).

20150930 is the last for that moment, which is providing ACPI 6.0 spec. and supporting C-style symbolic ASL+ code. Can be selected in option 5.1.

The compiler can be updated to officially compiled version from ACPICA by simple replacement of /Contents/MacOS/iasl*